Agile Development Practices - ProductivityAlex Moore
Lunch and Learn I did on some general Agile and other practices that can make developers more productive.
Most of the content was in the speech though unfortunately.
This document discusses how the manager implemented test-driven development (TDD), Storybook, and automated testing to improve their software development process and deployments at Shaadi.com. It introduces TDD principles like the three laws of TDD and F.I.R.S.T. criteria. Code examples are provided to demonstrate using Enzyme and Jest for TDD in React, creating a Storybook component library, and automation testing with tools like Nightwatch and Cypress. The goal was to gain more confidence in deployments by writing tests first and reducing bugs and long QA cycles.
The document discusses the concept of "fail fast" in software development. It advocates for failing immediately when errors are encountered rather than failing silently, which can lead to bugs appearing unexpectedly later on. It recommends using assertions to validate conditions and ensure failures occur early in development. Debugging is identified as the most annoying part of software work, and failing fast is presented as a solution to reduce debugging time by catching errors sooner.
Qualtrics Employee Engagement Product Tour: An Inside Look at the Future of E...Qualtrics
When it comes to measuring and improving employee engagement, we look at the process in three simple steps: Collect, Analyze, and Act. Too many organizations spend too much time collecting and analyzing and too little time acting. With Qualtrics Employee Engagement, we've flipped the old model on its head. With our platform, it's fast and easy to collect and analyze information, giving you more time to act on the insights.
Join us on this webinar to get an inside look at the future of employee engagement.
An Approach to Automated Application TuningMike Huang
This document presents an approach to automated application tuning. It discusses the challenges of manual tuning and proposes constructing a model to understand interactions and define success criteria. Key tunables are identified. The approach is illustrated through a story of improving resiliency to downstream failures by modeling service dependencies and interactions. Automation is presented as an ideal but challenges in data and assumptions are acknowledged.
The document discusses different approaches to handling errors in software: Fail Fast, Fail Safe/Forgive, and Ignore. It recommends applying a Fail Fast approach during development to quickly identify and address bugs. For critical applications, a Fail Safe approach is best to minimize consequences of errors. While Ignore should generally be avoided, there are sometimes valid reasons to do so. Examples are provided of techniques like static typing that can help implement Fail Fast behavior.
The document provides a 7-step guide to scaling DevOps. It begins with discussing common hurdles such as disparate tooling, mindset issues, analysis paralysis, and security/compliance challenges. It then defines DevOps as collaboration between development and operations. The 7 steps are: 1) Don't force change but show benefits, 2) research successful teams, 3) see DevOps as a journey, 4) start using tools to shift mindsets, 5) create consistency, 6) plan for growth, and 7) seek expert help when needed. The guide emphasizes small iterative changes, cross-functional teams, and choosing scalable tools.
Software Testing’s Future—According to Lee CopelandTechWell
The original IEEE 829 Test Documentation standard is thirty years old this year. Boris Beizer’s first book on software testing, Software Testing Techniques, also passed thirty. Testing Computer Software, the best-selling book on software testing, is more than twenty five. During the past three decades, hardware platforms have evolved from mainframes to minis to desktops to laptops to smartphones to tablets. Development paradigms have shifted from waterfall to agile. Consumers expect more functionality, demand higher quality, and are less loyal to brands. The world has changed dramatically—and testing must change to match it. Testing processes that helped us succeed in the past may prevent our success in the future. Lee Copeland shares his insights into the future of testing, including his views in the areas of technology, organization, test processes, test plans, and automation. Join Lee for a thought-provoking look at creating a better testing future.
Ops Happen: Improve Security Without Getting in the WaySeniorStoryteller
The document discusses how operations and security teams are under pressure to deploy code faster while maintaining reliability and security, and proposes a "shift left" approach to incident response where developers define procedures for fixing issues in their code and are responsible for responding to incidents involving that code. It describes a design pattern where organizations establish a secure operations portal, develop an SDLC for operations procedures, and connect with management systems to enable developers to more proactively address operations and security issues.
The software industry is witnessing a strong momentum in the adoption of agile and lean practices. Agile, Lean, Continuous Delivery, DevOps, Lean Startup have a massive impact on the role of testers. Discover how to stay relevant as a tester in a changing world.
This is a short overview of experiences introducing React to a handful of distributed teams that handle a large number of independent modules/products of a single web application.
Outpost24 webinar - The economics of penetration testing in the new threat la...Outpost24
This document discusses the economics of penetration testing and introduces a new "next gen" model. Traditional penetration tests have hidden costs such as scoping, contracting, and remediation activities that extend beyond the testing period. They may also deliver poor value with low actual testing time and inability to validate remediation. The new model proposed offers an annual contract with on-demand testing, real-time results, direct access to analysts, and verification of remediation to reduce costs while improving security.
Daniel Cerecedo | From legacy to cloud... and beyond | Codemotion Madrid 2018 Codemotion
A case study of how a medium sized company moved a legacy java code base to the cloud. Considerations around microservices architecture, containerization, tooling, quality management, git flows and more. Understand the challenges faced, decisions made along the way and the impact of each one.
Find out more presentations at https://madrid2018.codemotionworld.com/speakers/
RecSysOps: Best Practices for Operating a Large-Scale Recommender SystemEhsan38
Ensuring the health of a modern large-scale recommendation system is a very challenging problem. To address this, we need to put in place proper logging, sophisticated exploration policies, develop ML-interpretability tools or even train new ML models to predict/detect issues of the main production model. In this talk, we shine a light on this less-discussed but important area and share some of the best practices, called RecSysOps, that we’ve learned while operating our increasingly complex recommender systems at Netflix. RecSysOps is a set of best practices for identifying issues and gaps as well as diagnosing and resolving them in a large-scale machine-learned recommender system. RecSysOps helped us to 1) reduce production issues and 2) increase recommendation quality by identifying areas of improvement and 3) make it possible to bring new innovations faster to our members by enabling us to spend more of our time on new innovations and less on debugging and firefighting issues.
https://dl.acm.org/doi/10.1145/3460231.3474620
My presentation from the TomTom product development forum. A talk on why failure is important in innovation and tips on how to create en environment where the effects of failure are minimized while maximizing the learning.
Importance of test automation, excuses and TDD introductionNicolas De Boose
This document discusses test-driven development (TDD) and its benefits. It notes that research has found that TDD teams produce code with 60-90% fewer defects and take 15-35% longer to complete projects. Examples are given showing TDD teams needing fewer iterations to pass tests. The conclusion is that TDD results in less bugs, better code/design, test coverage of 100%, confidence, documentation, and decreased debug time, though tests can only find bugs, not guarantee their absence. Prevention of bugs is emphasized as better than later fixes.
Chaos Engineering, When should you release the monkeys?Thoughtworks
Chaos Engineering is listed as 'Trial' in the ThoughtWorks Tech Radar, but what is it really and how is it different from traditional testing? When and why should you get started with Chaos Engineering and is Chaos Monkey the right place to start when you do?
Get 40% discount on Test Driven Development in Ruby course for beginners:
https://www.udemy.com/learn-test-driven-development-in-ruby/?couponCode=slides
1) The document discusses how human fallibility and increased development teams can lead to an exponential decay in the probability of successful deployments over time as the number of changes increases.
2) It recommends approaches like implementing a service-oriented architecture, focusing on mean time to recovery rather than just preventing failures, and establishing "DevOps deputies" to help mitigate this problem.
3) The key message is that organizations should embrace DevOps culture, tailor their approaches to their specific teams, plan for inevitable changes over time, and view components as distributed from the beginning.
This slideshow is primarily about how easy it is to incorporate JavaScript unit testing in an existing application using Jasmine. The corresponding demo can be found here: https://github.com/csteele86/ko-calculator.
The document discusses the top 10 security exploits as identified by the Open Web Application Security Project (OWASP). It covers the risks and prevention strategies for each exploit, including SQL injection, cross-site scripting (XSS), broken authentication and session management, insecure direct object references, cross-site request forgery (CSRF), security misconfiguration, insecure cryptographic storage, failure to restrict URL access, insufficient transport layer protection, and unvalidated redirects and forwards. Prevention strategies emphasized input validation, output encoding, access control, secure configuration, cryptographic best practices, and not trusting user-supplied redirect URLs.
The document discusses the future of HTTP support in CakePHP. It outlines plans to adopt the PSR-7 standard for HTTP message interfaces. PSR-7 support will be introduced as an opt-in middleware stack in version 3.3, and will become the default stack in 3.4. The new stack will provide improved request and response objects, and support for middleware. The transition is designed to be backwards compatible, with deprecation warnings before removing legacy features in CakePHP 4.0.
El documento habla sobre diferentes sistemas gestores de bases de datos (SGBD), incluyendo Microsoft Access, Microsoft SQL Server, Oracle, Informix y Adabas. Para cada SGBD, se mencionan detalles como el año de lanzamiento, versiones actuales y ventajas y desventajas principales.
1) O documento discute o uso da mídia programática para branding e performance, explicando suas vantagens em relação à compra tradicional de mídia, como segmentação otimizada e ROI garantido.
2) É destacado que a mídia programática pode ser usada para aumentar a conscientização, favorabilidade e engajamento de marcas através de múltiplos pontos de contato com os consumidores.
3) Estudos mostram que cada vez mais anunciantes estão usando a mídia programática para objetivos de branding, com expectativa de aumento de invest
This document is a resume for Nariman Shehata that outlines their educational and employment history. It details that they received a BA in Architecture from UC Berkeley in December 2014 and lists skills in Microsoft Office, Adobe Creative Suite, AutoCAD, Rhino, and SketchUp. For employment, it provides information on internships at SFMOMA, Perkins Eastman architecture firm, Dar Al Tahar startup, and SSH Architecture International, as well as substitute teaching and administrative assistant roles. It closes with a brief list of activities and organizations the individual was involved in.
S h o r t f i lm 2222222222222222222222222222222222222222222222222222222222...harry98gupta
The document summarizes and analyzes several short horror films using various film theory concepts. For the film "Zombie", it discusses how the opening establishes codes for the audience to understand what is happening from the protagonist's perspective. For "The Rattler", it discusses how the opening establishes the protagonist being harassed by an unknown caller, conforming to theories of villain/hero roles, and subverts expectations of equilibrium. For "Night Swim", it discusses how the opening sexualizes the female protagonist through her attire while swimming but challenges expectations through upbeat music. For "Amy's Torch", it discusses how the opening establishes the monster under the bed as the villain and questions the hero status among the mother and torch
Ops Happen: Improve Security Without Getting in the WaySeniorStoryteller
The document discusses how operations and security teams are under pressure to deploy code faster while maintaining reliability and security, and proposes a "shift left" approach to incident response where developers define procedures for fixing issues in their code and are responsible for responding to incidents involving that code. It describes a design pattern where organizations establish a secure operations portal, develop an SDLC for operations procedures, and connect with management systems to enable developers to more proactively address operations and security issues.
The software industry is witnessing a strong momentum in the adoption of agile and lean practices. Agile, Lean, Continuous Delivery, DevOps, Lean Startup have a massive impact on the role of testers. Discover how to stay relevant as a tester in a changing world.
This is a short overview of experiences introducing React to a handful of distributed teams that handle a large number of independent modules/products of a single web application.
Outpost24 webinar - The economics of penetration testing in the new threat la...Outpost24
This document discusses the economics of penetration testing and introduces a new "next gen" model. Traditional penetration tests have hidden costs such as scoping, contracting, and remediation activities that extend beyond the testing period. They may also deliver poor value with low actual testing time and inability to validate remediation. The new model proposed offers an annual contract with on-demand testing, real-time results, direct access to analysts, and verification of remediation to reduce costs while improving security.
Daniel Cerecedo | From legacy to cloud... and beyond | Codemotion Madrid 2018 Codemotion
A case study of how a medium sized company moved a legacy java code base to the cloud. Considerations around microservices architecture, containerization, tooling, quality management, git flows and more. Understand the challenges faced, decisions made along the way and the impact of each one.
Find out more presentations at https://madrid2018.codemotionworld.com/speakers/
RecSysOps: Best Practices for Operating a Large-Scale Recommender SystemEhsan38
Ensuring the health of a modern large-scale recommendation system is a very challenging problem. To address this, we need to put in place proper logging, sophisticated exploration policies, develop ML-interpretability tools or even train new ML models to predict/detect issues of the main production model. In this talk, we shine a light on this less-discussed but important area and share some of the best practices, called RecSysOps, that we’ve learned while operating our increasingly complex recommender systems at Netflix. RecSysOps is a set of best practices for identifying issues and gaps as well as diagnosing and resolving them in a large-scale machine-learned recommender system. RecSysOps helped us to 1) reduce production issues and 2) increase recommendation quality by identifying areas of improvement and 3) make it possible to bring new innovations faster to our members by enabling us to spend more of our time on new innovations and less on debugging and firefighting issues.
https://dl.acm.org/doi/10.1145/3460231.3474620
My presentation from the TomTom product development forum. A talk on why failure is important in innovation and tips on how to create en environment where the effects of failure are minimized while maximizing the learning.
Importance of test automation, excuses and TDD introductionNicolas De Boose
This document discusses test-driven development (TDD) and its benefits. It notes that research has found that TDD teams produce code with 60-90% fewer defects and take 15-35% longer to complete projects. Examples are given showing TDD teams needing fewer iterations to pass tests. The conclusion is that TDD results in less bugs, better code/design, test coverage of 100%, confidence, documentation, and decreased debug time, though tests can only find bugs, not guarantee their absence. Prevention of bugs is emphasized as better than later fixes.
Chaos Engineering, When should you release the monkeys?Thoughtworks
Chaos Engineering is listed as 'Trial' in the ThoughtWorks Tech Radar, but what is it really and how is it different from traditional testing? When and why should you get started with Chaos Engineering and is Chaos Monkey the right place to start when you do?
Get 40% discount on Test Driven Development in Ruby course for beginners:
https://www.udemy.com/learn-test-driven-development-in-ruby/?couponCode=slides
1) The document discusses how human fallibility and increased development teams can lead to an exponential decay in the probability of successful deployments over time as the number of changes increases.
2) It recommends approaches like implementing a service-oriented architecture, focusing on mean time to recovery rather than just preventing failures, and establishing "DevOps deputies" to help mitigate this problem.
3) The key message is that organizations should embrace DevOps culture, tailor their approaches to their specific teams, plan for inevitable changes over time, and view components as distributed from the beginning.
This slideshow is primarily about how easy it is to incorporate JavaScript unit testing in an existing application using Jasmine. The corresponding demo can be found here: https://github.com/csteele86/ko-calculator.
The document discusses the top 10 security exploits as identified by the Open Web Application Security Project (OWASP). It covers the risks and prevention strategies for each exploit, including SQL injection, cross-site scripting (XSS), broken authentication and session management, insecure direct object references, cross-site request forgery (CSRF), security misconfiguration, insecure cryptographic storage, failure to restrict URL access, insufficient transport layer protection, and unvalidated redirects and forwards. Prevention strategies emphasized input validation, output encoding, access control, secure configuration, cryptographic best practices, and not trusting user-supplied redirect URLs.
The document discusses the future of HTTP support in CakePHP. It outlines plans to adopt the PSR-7 standard for HTTP message interfaces. PSR-7 support will be introduced as an opt-in middleware stack in version 3.3, and will become the default stack in 3.4. The new stack will provide improved request and response objects, and support for middleware. The transition is designed to be backwards compatible, with deprecation warnings before removing legacy features in CakePHP 4.0.
El documento habla sobre diferentes sistemas gestores de bases de datos (SGBD), incluyendo Microsoft Access, Microsoft SQL Server, Oracle, Informix y Adabas. Para cada SGBD, se mencionan detalles como el año de lanzamiento, versiones actuales y ventajas y desventajas principales.
1) O documento discute o uso da mídia programática para branding e performance, explicando suas vantagens em relação à compra tradicional de mídia, como segmentação otimizada e ROI garantido.
2) É destacado que a mídia programática pode ser usada para aumentar a conscientização, favorabilidade e engajamento de marcas através de múltiplos pontos de contato com os consumidores.
3) Estudos mostram que cada vez mais anunciantes estão usando a mídia programática para objetivos de branding, com expectativa de aumento de invest
This document is a resume for Nariman Shehata that outlines their educational and employment history. It details that they received a BA in Architecture from UC Berkeley in December 2014 and lists skills in Microsoft Office, Adobe Creative Suite, AutoCAD, Rhino, and SketchUp. For employment, it provides information on internships at SFMOMA, Perkins Eastman architecture firm, Dar Al Tahar startup, and SSH Architecture International, as well as substitute teaching and administrative assistant roles. It closes with a brief list of activities and organizations the individual was involved in.
S h o r t f i lm 2222222222222222222222222222222222222222222222222222222222...harry98gupta
The document summarizes and analyzes several short horror films using various film theory concepts. For the film "Zombie", it discusses how the opening establishes codes for the audience to understand what is happening from the protagonist's perspective. For "The Rattler", it discusses how the opening establishes the protagonist being harassed by an unknown caller, conforming to theories of villain/hero roles, and subverts expectations of equilibrium. For "Night Swim", it discusses how the opening sexualizes the female protagonist through her attire while swimming but challenges expectations through upbeat music. For "Amy's Torch", it discusses how the opening establishes the monster under the bed as the villain and questions the hero status among the mother and torch
A 3a Corrida Novas Oportunidades ocorreu em Belém no dia 15 de Maio de 2011, provavelmente para arrecadar fundos ou conscientizar sobre alguma causa social. A corrida ofereceu novas oportunidades para os participantes e/ou beneficiários da causa que apoiava.
HootSuite Case Study - Spike TV y HootSuite - Caso de Estudio Guys Choice Awa...Hootsuite
Spike TV utilizó HootSuite para promocionar los Guys Choice Awards con gran éxito de promoción y difusión. Este Caso de Estudio presenta algunas de las claves de ese éxito, la estrategia utilizada y algunas de las funcionalidades más destacadas de HootSuite.
This document provides an introduction and overview of the Macromedia Flash interface and tools. It describes the main components of the Flash workspace including the timeline, stage, layers, toolbox, and property inspector. It explains how to use the various tools to create and edit shapes, text, and symbols. It also outlines how to set the basic stage properties such as size, background color, and frame rate when starting a new Flash project.
Phenotyping texture and aroma wp5 dissecting apple texture fabrizio costafruitbreedomics
The document discusses measuring the mechanical properties of apples, including firmness, elasticity, stiffness, and other texture attributes. It presents data on the mechanical parameter values of different apple varieties, such as Boskoop, Golden Delicious, and Fuji apples. Graphs show variations in the mechanical properties of apples over time and under different storage conditions. The goal is to better understand apple texture through quantitative measurement and analysis of mechanical parameters.
Phenotyping texture and aroma wp5 training session stress test development ja...fruitbreedomics
This document describes research conducted to develop a strategy for selecting apple varieties with good storage behavior. The researchers tested different storage conditions on commercially grown varieties to determine optimal conditions and identify issues like chilling injury, CO2 damage, and loss of firmness. They developed a "Storage Stress Test" involving various storage periods and conditions to select varieties early in breeding that have good long-term storage potential. Testing of varieties found that chilling injury and CO2 damage could be induced under certain stressful storage conditions. Gene expression analysis was also explored as a potential way to predict storage issues in varieties based on their responses to short-term stressful storage.
The document discusses best practices for open source projects, including being respectful to community members, having transparent processes, writing documentation that is easy to maintain and use, following semantic versioning, and releasing in a simple way. It also notes the importance of empowering others, setting a good example, and making mistakes to learn and improve.
This document discusses best practices for open source projects and frameworks, including being respectful of all community members, having high-quality documentation, following semantic versioning, being transparent about releases and security fixes, and providing migration guides for breaking changes. It also recommends having opinions but flexibility in code generation and conventions, future-proofing APIs, and learning from mistakes in an open and rewarding process.
Dev up 2016 Demystifying the scaled agile frameworkAngela Dugan
Just when companies seems to be warming up to agile, here comes SCALED agile. But how is SAFe really different than agile? Does using the SAFe framework undermine the scrum teams? Isn’t SAFe just a glorified version of waterfall that companies adopt when they can’t handle “real” agile? I decided the best solution was to go through the training and spend some time practicing it in the field. What I found was that SAFe leverages the best of Lean, Kanban, and scrum. SAFe is intended for large, enterprise customers delivering extremely complex and interdependent systems, but that doesn’t mean it offers nothing to smaller teams. Since becoming a Safe program consultant, I have coached a number of my smaller customers on improving their software development and delivery processes leveraging techniques from SAFe. In this interactive session, I plan to quickly walk through the tenets of SAFe, share some of my learnings with you, and help you to understand when and how SAFe can benefit your team!
The document discusses several principles and best practices for pragmatic programming. It discusses avoiding duplication by eliminating imposed, inadvertent, impatient, and interdeveloper duplication. It also discusses the principles of orthogonality and reversibility. Orthogonality refers to decoupling unrelated things to increase productivity and reduce risk. Reversibility means designing software in a way that allows for changes in requirements, users, and hardware over time.
DevOps: 6 Steps to Go Faster, Build Better and Avoid DisasterSmartBear
The document discusses the 6 steps of DevOps: plan, build, test, release, deploy, and monitor. It explains that DevOps aims to enable teams to continuously push value through optimizing people, tools, and processes. Some benefits of DevOps include faster software releases, minimum risk and disruption during deployment, and improved cross-team collaboration and culture. It provides tips for making the cultural transition to DevOps such as starting with small experimental teams and expanding practices iteratively. It also outlines best practices like collaboration, feedback and monitoring, automation, and service virtualization to help ensure quality while moving faster.
This document discusses ways for hardware and software vendors to engage with the Xen developer community by contributing testing, reporting bugs, suggesting features, and submitting code patches. It outlines the benefits of contributing as well as practical guidelines for submitting high-quality bug reports, questions, and patches that are more likely to be accepted into the Xen codebase. The goal is to enable greater involvement from external organizations to help drive further development of the Xen hypervisor.
The document discusses best practices for DevOps culture. It outlines 5 topics: 1) Train everyone on new DevOps tools and workflows, 2) Share and speak openly about projects, 3) Collaborate between development and operations teams and automate processes, 4) Prioritize building trust between teams with a focus on business services, and 5) Build a diverse project team with different skills including development, deployment, and testing. The document provides an overview of DevOps and examples of how companies like Amazon, Facebook, and Etsy implement DevOps practices.
This document summarizes a company's transition from a PHP codebase to Python. It discusses why they made the change, how they approached it incrementally instead of a full rewrite, and what they learned from the process. Key points include adopting Django and SQLAlchemy, improving testing, and maintaining the existing PHP session handling. The transition faced challenges but increased developer productivity and the ability to add new features more quickly. Overall the experience reinforced the benefits of Python for their needs.
Devops & Agility - Build the Culture, Get the Tools, Win the Day - Dundee Tec...David Walker
DevOps involves development and operations engineers collaborating throughout the entire service lifecycle from design to deployment and support. It builds upon agile principles by applying them throughout the entire workflow. Implementing DevOps requires cultural changes across the entire organization where teams work together towards shared goals. Automation, lean principles, continuous monitoring and improvements are key aspects of DevOps.
The Three Pillars of Continuous Delivery - Boston Continuous Delivery EventXebiaLabs
The document discusses the three pillars of continuous delivery: culture, practices, and tooling. It argues that culture is expressed through practices, which are carried out using tooling. However, many organizations initially focus on tooling and practices before establishing a supportive culture. The document recommends starting with easily implementable tooling to demonstrate quick wins, and then focusing on developing practices and culture over time to sustain continuous delivery efforts.
DevOpsDays Baltimore 2017.
In high security environments, we are often behind proxies, firewalls or obnoxious corporate policies that disallow access to Github or RubyGems. What gives?! In this session, I will talk about what problems we need to solve to build and manage environments in an offline world and how infrastructure as code is at the heart of making it happen.
This document discusses how to implement DevOps practices in an "air-gapped" environment where systems have no direct internet connection. It defines air-gapping and describes common issues like getting code and artifacts into production. The document recommends using a workstation as a "loading dock" to build infrastructure without internet and serve artifacts locally. It emphasizes designing systems to avoid internet assumptions and testing the approach on development systems before production. Changing processes to use pipelines tested without internet can help achieve velocity while maintaining security in isolated environments.
Yashasree barve power of dev ops - ai 2012 - 1.0-shareyashasree
The document discusses how an enterprise group transformed into a more agile organization through adopting DevOps practices. It describes some of the challenges the groups faced with separate development and operations teams following different processes. By focusing on collaboration, automation, and breaking down barriers between teams, the groups were able to improve deployment speed and confidence while reducing issues. Moving forward, they aim to further expand collaboration and ticketless deployments to other technologies and teams.
The document discusses DevOps principles, goals, advantages, disadvantages and tools. It summarizes that DevOps is a culture that encourages collaboration between development and operations teams to build and maintain software quickly while improving quality and reliability. Traditional processes make modern architectures hard to manage at scale while DevOps aims to remove barriers and bottlenecks through continuous delivery, automation, collaboration and feedback loops.
How To (Not) Open Source - Javazone, Oslo 2014gdusbabek
Releasing an open source project while maintaining a shipping product is hard! Different behaviors, attitudes and actions can help or hinder your cause; and they are not always obvious.
The Blueflood distributed metrics engine was released as open source software by Rackspace in August 2012. In the succeeding months the team had to strike a manageable balance between the challenges of growing a community, being good open source stewards, and maintaining a shipping product for Rackspace. Find out what worked, what did not work, and the lessons that can be applied as you endeavor to take your project out into the open.
In this presentation you will learn about strategies for releasing open source products, pitfalls to avoid, and the potential benefits of moving more of your development out in the open.
We have also made a few realizations about the community growing up around metrics. It is still young, and there are problems that come with that youth. I'll talk about some things we can do to make a better software ecosystem.
The document discusses 5 best practices in DevOps culture. It outlines the benefits of DevOps including speed, agility and faster time to market. It then discusses how organizations like Amazon, Facebook and Etsy implement DevOps practices. Finally, it describes 5 best practices in DevOps culture such as training teams on new tools, sharing work publicly, automating processes, breaking down barriers between teams, and building a diverse project team.
De facto DevOps, de facto Agile. Today DevOps is the Manufacturing Revolution of Our Age. There is no escape for us. When got a DevOps, you got a DevOps.
DevOps simply is the combination of cultural philosophies,practices,and tools that increase an organization’s ability to deliver applications and services at high velocity : evolving and improving products at a faster pace than organizations using traditional software development and infrastructure management processes.
- Twitter relies heavily on open source software and contributes a significant amount of code back to the open source community.
- In 2011, Twitter created an Open Source Office to direct all open source efforts related to compliance, standards, and engineering outreach.
- The Open Source Office established review processes, licensing guidelines, and development best practices to manage open source code in a transparent and compliant manner while still facilitating contributions and collaboration.
This document discusses dependency injection in CakePHP. It begins by explaining what dependency injection is, then discusses how it can be implemented simply with constructors. However, real-world projects are more complicated, requiring additional patterns like factories, locators, and containers. The document notes that CakePHP currently does not help with dependency injection in application logic, but this will change in version 4.2 with the introduction of an experimental container system and injected application services. The container will allow registering and resolving services, and services will be automatically injected into controllers and actions. While still experimental, the goal is to stabilize the container approach in future versions through testing and feedback.
This document discusses upcoming releases and changes in CakePHP.
It outlines support timelines for CakePHP 2.X, 3.X and the upcoming 4.0.0 release. Version 4.0.0 is aimed to make CakePHP safer and more helpful. The document provides examples of changes in 4.0.0 like stricter type declarations, safer method calls, leveraging static analysis and consistent null handling to improve safety. It also discusses improved error messages and pages. An upgrade tool is introduced to help upgrade applications and plugins to new versions. Next steps mentioned include adding PSR-11 support and continued focus on developer experience for 4.1.
The document discusses the past, present, and future of CakePHP versioning. It notes challenges with past major upgrades and lessons learned. It outlines improvements in the 3.2-3.4 range like stronger typing and middleware usage. Future plans include new middleware types in 3.5, deprecation warnings in 3.6, and a major 4.0 release removing PHP5 support. Long term support periods are proposed for 2.x, 3.6 and beyond to ensure backwards compatibility while improving the framework.
This document provides a summary of new features in CakePHP 3.0 including:
- Frequent releases with bugfixes every 2-4 weeks and support for PHP 5.4 and above.
- Adoption of PSR standards and improvements to internationalization, routing, resource routing, collections, ORM, and entities.
- Key changes include standalone components, improved localization support, routing scopes and prefixes, resource routing, immutable and pipeline-friendly collections, active record and datamapper ORM patterns, and value objects.
- Many features can also be used independently of CakePHP.
The document summarizes updates and new features for CakePHP version 3.0 and beyond. It discusses the large number of breaking changes in 3.0.0, challenges with upgrading, and areas that went well like community involvement and documentation. It outlines the future release schedule and previews some new features including mailers, console improvements, ORM enhancements, ElasticSearch integration, and PSR-7 support. It notes efforts to maintain backwards compatibility within the 3.x series and questions about supporting older PHP versions. The document encourages community involvement to help with upcoming CakePHP releases.
Performance and optimization CakeFest 2014markstory
This document provides guidelines and techniques for profiling and optimizing performance. It recommends measuring performance metrics, prioritizing front-end optimizations like reducing file sizes and HTTP requests before backend optimizations, and optimizing code last after other techniques. Specific techniques discussed include minifying assets, compressing images, adding caching, using developer tools to identify issues, and PHP profiling tools like XHProf and XDebug.
The document summarizes the road to CakePHP 3.0, including that the first commit was in May 2012, there have been over 6000 commits from 20 contributors, and over 1500 book commits from 51 contributors. It highlights some of the key changes in CakePHP 3.0, such as using PHP5.4 and Composer, a new app skeleton, simpler configuration, improved ORM and router performance, and string templates. It also discusses plans for future beta releases and support through 3.x releases.
This document provides guidelines and techniques for profiling and optimizing performance. It discusses measuring performance using tools like Chrome Developer Tools, optimizing assets by minifying files and images, improving database queries with indexing and caching, and profiling code with tools like XHProf and the Chrome CPU profiler. The overall guidelines emphasized are to measure everything, start optimizations in the front-end, avoid unnecessary work, and optimize code last.
This document discusses the OWASP Top 10 security risks and provides examples and prevention methods for each. It covers injection flaws, broken authentication, XSS, insecure direct object references, security misconfiguration, sensitive data exposure, missing access control, CSRF, using vulnerable components, and unvalidated redirects. For each risk, it explains potential impacts, provides code examples to illustrate the issue, and recommends techniques to address the vulnerability like input validation, access control, encryption, and keeping software updated.
The document discusses lessons learned from the creator's experience leading the development of the CakePHP framework. It touches on topics like maintaining an open and respectful community, prioritizing documentation and easy upgrades, balancing conventions with flexibility, and embracing mistakes as opportunities for growth. The overall message is that building an open source framework comes with many challenges but can be rewarding.
The document provides an overview of Twig, a templating language for PHP. It discusses some key benefits of Twig over plain PHP templates, including terse syntax, automatic HTML escaping, and ability to create custom templating extensions. The document also covers various Twig features like conditionals, loops, macros, template inheritance with blocks, and extending Twig with filters, functions, globals, tests, operators, token parsers and node visitors.
Elasticsearch is a JSON document database that allows for powerful full-text search capabilities. It uses Lucene under the hood for indexing and search. Documents are stored in indexes and types which are analogous to tables in a relational database. Documents can be created, read, updated, and deleted via a RESTful API. Searches can be performed across multiple indexes and types. Elasticsearch offers advanced search features like facets, highlighting, and custom analyzers. Mappings allow for customization of how documents are indexed. Shards and replicas improve performance and availability. Multi-tenancy can be achieved through separate indexes or filters.
This document discusses new features in CakePHP version 2.2 related to view blocks, JSON and XML views, improved hashing performance, date/time utilities, and scoped logging. It provides examples of using view blocks to keep HTML DRY, creating JSON views, benchmarking hash performance improvements over sets, using the new CakeTime and CakeNumber utilities, and attaching loggers with scopes to filter log messages.
The document discusses continuous integration, which aims to improve software quality and reduce delivery time by implementing quality control throughout development rather than after completion. It does this through practices like version control, local sandboxes, automated testing across staged environments. Continuous integration provides benefits like more frequent commits with confidence, visibility, and faster feedback through automated bots that behave predictably and consistently by always testing, building, and deploying code. Jenkins is mentioned as an easy to use continuous integration server with a large community and plugins.
CakePHP 2.0 has been re-factored and rebuilt with many internal and external API changes. It uses native PHP5 features, updated conventions for class and file names, and a new loader. Exceptions replace the old error handling. Collections unify how helpers, components, behaviors and tasks are loaded and used. The console, request/response, sessions, authentication, email, and testing have all been improved for better performance and extensibility. Benchmarks show CakePHP 2.0 has significantly better performance than 1.3.11.
PHPUnit is a test suite framework that is widely used for PHP projects. It provides improvements over older testing frameworks like SimpleTest, including better command line tools, code coverage reports, assertions, mock objects, and tool chain support. PHPUnit uses annotations and assertions to make tests stricter and more consistent. It supports features like fixtures, mock objects, and code coverage reporting to help test codebases thoroughly. PHPUnit can be run from the command line or a web interface, and integrates with continuous integration servers to run tests automatically.
This document discusses the benefits of unit testing and how to implement it. Some key points covered include:
- Unit testing helps ensure code works as intended, finds problems earlier, and increases developer confidence. It is especially useful for code involving money, code that has broken before, or code that is tedious to test manually.
- There are two main types of tests - unit tests that isolate small parts of an application and functional tests that ensure components work together. Mock objects are important for writing isolated unit tests.
- Benefits of testing include finding problems earlier, tests can be automated, and it ensures requirements are met. Challenges include the time needed to write tests initially.
- Continuous integration servers
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Adobe Illustrator is a powerful, professional-grade vector graphics software used for creating a wide range of designs, including logos, icons, illustrations, and more. Unlike raster graphics (like photos), which are made of pixels, vector graphics in Illustrator are defined by mathematical equations, allowing them to be scaled up or down infinitely without losing quality.
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Illustrator's foundation is its use of vector graphics, meaning designs are created using paths, lines, shapes, and curves defined mathematically.
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Illustrator is used for a wide variety of design purposes, including:
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Web Design: Designing web graphics, including icons, buttons, and layouts.
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This presentation explores code comprehension challenges in scientific programming based on a survey of 57 research scientists. It reveals that 57.9% of scientists have no formal training in writing readable code. Key findings highlight a "documentation paradox" where documentation is both the most common readability practice and the biggest challenge scientists face. The study identifies critical issues with naming conventions and code organization, noting that 100% of scientists agree readable code is essential for reproducible research. The research concludes with four key recommendations: expanding programming education for scientists, conducting targeted research on scientific code quality, developing specialized tools, and establishing clearer documentation guidelines for scientific software.
Presented at: The 33rd International Conference on Program Comprehension (ICPC '25)
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AgentExchange is Salesforce’s latest innovation, expanding upon the foundation of AppExchange by offering a centralized marketplace for AI-powered digital labor. Designed for Agentblazers, developers, and Salesforce admins, this platform enables the rapid development and deployment of AI agents across industries.
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This SlideShare presentation is from our May webinar, “Not So Common Memory Leaks & How to Fix Them?”, where we explored lesser-known memory leak patterns in Java applications. Unlike typical leaks, subtle issues such as thread local misuse, inner class references, uncached collections, and misbehaving frameworks often go undetected and gradually degrade performance. This deck provides in-depth insights into identifying these hidden leaks using advanced heap analysis and profiling techniques, along with real-world case studies and practical solutions. Ideal for developers and performance engineers aiming to deepen their understanding of Java memory management and improve application stability.
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Designing AI-Powered APIs on Azure: Best Practices& ConsiderationsDinusha Kumarasiri
AI is transforming APIs, enabling smarter automation, enhanced decision-making, and seamless integrations. This presentation explores key design principles for AI-infused APIs on Azure, covering performance optimization, security best practices, scalability strategies, and responsible AI governance. Learn how to leverage Azure API Management, machine learning models, and cloud-native architectures to build robust, efficient, and intelligent API solutions
Why Orangescrum Is a Game Changer for Construction Companies in 2025Orangescrum
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Avast Premium Security is a paid subscription service that provides comprehensive online security and privacy protection for multiple devices. It includes features like antivirus, firewall, ransomware protection, and website scanning, all designed to safeguard against a wide range of online threats, according to Avast.
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How Valletta helped healthcare SaaS to transform QA and compliance to grow wi...Egor Kaleynik
This case study explores how we partnered with a mid-sized U.S. healthcare SaaS provider to help them scale from a successful pilot phase to supporting over 10,000 users—while meeting strict HIPAA compliance requirements.
Faced with slow, manual testing cycles, frequent regression bugs, and looming audit risks, their growth was at risk. Their existing QA processes couldn’t keep up with the complexity of real-time biometric data handling, and earlier automation attempts had failed due to unreliable tools and fragmented workflows.
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Tests, especially unit tests, are the developers’ superheroes. They allow us to mess around with our code and keep us safe.
We often trust them with the safety of our codebase, but how do we know that we should? How do we know that this trust is well-deserved?
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